Home / 13,575.72-20,366.97-9,580.90

Finding the Fourth Proportional to 13,575.72, 20,366.97 and 9,580.90

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Solution

The fourth proportional to 13,575.72, 20,366.97 and 9,580.90 is: 14,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.72 : 20,366.97 = 9,580.90 : x
  2. Step 2: Convert to fraction form
    13,575.72/20,366.97 = 9,580.90/x
  3. Step 3: Cross multiply
    13,575.72x = 20,366.97 × 9,580.90
  4. Step 4: Simplify right side
    13,575.72x = 195,133,916.36
  5. Step 5: Solve for x
    x = 195,133,916.36/13,575.72
  6. Step 6: Final answer
    x = 14,373.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.